CN113764130A - Environment-friendly cable for solar photovoltaic system - Google Patents
Environment-friendly cable for solar photovoltaic system Download PDFInfo
- Publication number
- CN113764130A CN113764130A CN202111039558.7A CN202111039558A CN113764130A CN 113764130 A CN113764130 A CN 113764130A CN 202111039558 A CN202111039558 A CN 202111039558A CN 113764130 A CN113764130 A CN 113764130A
- Authority
- CN
- China
- Prior art keywords
- insulating layer
- cable
- environment
- solar photovoltaic
- photovoltaic system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims description 14
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 238000000265 homogenisation Methods 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 abstract description 3
- 206010044565 Tremor Diseases 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an environment-friendly cable for a solar photovoltaic system, which comprises a tinned copper conductor, an insulating layer and a sheath layer, wherein the insulating layer is coated on the surface of the tinned copper conductor, and the sheath layer is coated on the surface of the insulating layer. This environment-friendly cable for solar photovoltaic system when extruding man-hour, pass through the vibrations of annular ring and transmit the homogeneity vibrations piece to the conduction pole, the homogeneity vibrations piece drives and connects the elastic webbing vibrations, shakes the raw and other materials of insulating layer and trembles evenly then extrudes on the surface of tin-plated copper conductor, can effectively prevent the inside gassing of cable of extruding, and the cable tensile strength that raw materials dispersion more evenly produced is strong.
Description
Technical Field
The invention relates to the technical field of cables, in particular to an environment-friendly cable for a solar photovoltaic system.
Background
The cable is an electric energy or signal transmission device, and generally comprises several or several groups of conducting wires, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.
In a solar photovoltaic system, the environment-friendly cable is widely applied, but after the existing environment-friendly cable is produced, bubbles are easily generated inside the cable, the tensile strength of the cable is reduced, and the cable cannot be suitable for a high-strength working environment.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an environment-friendly cable for a solar photovoltaic system, which solves the problems that after the cable is produced, air bubbles are easily generated inside the cable, the tensile strength of the cable is reduced, and the cable cannot be suitable for a high-strength working environment.
In order to achieve the purpose, the invention is realized by the following technical scheme: an environment-friendly cable for a solar photovoltaic system comprises a tinned copper conductor, an insulating layer and a sheath layer, wherein the insulating layer is coated on the surface of the tinned copper conductor, and the sheath layer is coated on the surface of the insulating layer;
the extrusion method of the cable comprises the following steps:
step one, passing a tin-plated copper conductor through a mold core, melting raw materials of an insulating layer, and adding the molten raw materials into an extrusion groove between a mold sleeve and the mold core;
extruding the insulating layer on the surface of the tinned copper conductor, carrying out homogenization treatment during extrusion, starting a vibration motor of a vibration mechanism to drive an annular ring to vibrate, transmitting the vibration of the annular ring to a homogeneous vibration block through a conducting rod, driving a connecting elastic belt to vibrate by the homogeneous vibration block, vibrating and vibrating raw materials of the insulating layer uniformly, and then extruding the raw materials on the surface of the tinned copper conductor;
and step three, repeating the step two, and extruding the sheath layer on the surface of the insulating layer.
As a further scheme of the invention: the homogenization treatment in the second step comprises the following specific steps: the vibrating motor of the vibrating mechanism is started to drive the annular ring to vibrate, the annular ring vibrates and is transmitted to the homogeneous vibrating block through the conducting rod, the homogeneous vibrating block drives the connecting elastic belt to vibrate, and the raw materials of the insulating layer are vibrated uniformly and then extruded out of the surface of the tinned copper conductor.
As a further scheme of the invention: and the homogeneous vibration block in the second step is arranged in the inner cavity of the die sleeve and is not contacted with the inner surface of the die sleeve.
As a further scheme of the invention: the connecting elastic band forms a sealing structure between the homogeneous vibration block and the die sleeve.
As a further scheme of the invention: the surface of the conduction rod is not contacted with the inner cavity of the die sleeve.
As a further scheme of the invention: the insulating layer and the sheath layer are both made of halogen-free low-smoke flame-retardant polyolefin materials.
The extrusion equipment comprises a mold core, a mold sleeve and a vibration motor, the mold sleeve is sleeved on the surface of the mold core, a hollow groove is arranged in the inner cavity of the mold sleeve, and the inner cavity of the empty groove is movably connected with a homogeneous vibration block, the surface of the homogeneous vibration block is fixedly connected with a connecting elastic belt, one side of the connecting elastic belt is fixedly connected with the inner cavity of the die sleeve, the surface of the die sleeve is sleeved with an annular ring, the output shaft end of the vibration motor is fixedly connected with the surface of the annular ring, one side of the annular ring is fixedly connected with a conduction rod, one end of the conduction rod penetrates through and extends to the inner cavity of the mold core, the inner cavity of the mold core is not contacted with the surface of the conduction rod, one end of the conduction rod is fixedly connected with the surface of the homogeneous vibration block, the conduction rods are arranged in a plurality and are uniformly distributed in the inner cavity of the annular ring, and an extrusion groove is formed between the mold core and the mold sleeve in a partition mode.
Compared with the prior art, the invention has the following beneficial effects:
(1) when extruding man-hour, transmit the homogeneity vibrations piece through the conduction pole through the vibrations of annular ring, the homogeneity vibrations piece drives and connects the elastic webbing vibrations, shakes the raw and other materials of insulating layer and trembles evenly then extrude the surface at tin-plated copper conductor, can effectively prevent the inside gassing of cable of extruding, the cable tensile strength that raw materials dispersion more evenly produced is strong.
(2) Through connecting the elastic band can not only form good seal structure to can prevent that vibrations from transmitting the die sleeve surface, lead to the die sleeve vibrations to make the condition of extruded product deformation appear.
Drawings
FIG. 1 is a schematic structural view of a cable according to the present invention;
FIG. 2 is a schematic view of the structural connection of the extrusion apparatus of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is a side view of the structure of the homogeneous vibration mass of the present invention.
In the figure: 1. a tin-plated copper conductor; 2. an insulating layer; 3. a sheath layer; 11. a mold core; 12. die sleeve; 13. vibrating a motor; 14. an empty groove; 15. a homogeneous vibrating block; 16. connecting the elastic band; 17. an annular ring; 18. a conductive rod.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an environment-friendly cable for solar photovoltaic system, including tin-plated copper conductor 1, insulating layer 2 and restrictive coating 3, insulating layer 2 cladding is on the surface of tin-plated copper conductor 1, restrictive coating 3 cladding is on the surface of insulating layer 2, through annular ring 17 vibrations transmit homogeneity vibrations to piece 15 of shaking through conduction pole 18, homogeneity shakes piece 15 and drives the vibrations of connecting elastic band 16, shake the raw and other materials of insulating layer 2 evenly then extrude the surface at tin-plated copper conductor 1, can effectively prevent the inside bubble that produces of cable that extrudes, the cable tensile strength that raw materials dispersion more evenly produced is strong;
the extrusion method of the cable comprises the following steps:
firstly, a tin-plated copper conductor 1 passes through a mold core 11, and raw materials of an insulating layer 2 are added into an extrusion groove between a mold sleeve 12 and the mold core 11 after being melted;
extruding the insulating layer 2 on the surface of the tin-plated copper conductor 1, and homogenizing during extrusion;
and step three, repeating the step two, and extruding the sheath layer 3 on the surface of the insulating layer 2.
The homogenizing treatment in the second step comprises the following specific steps: the vibrating motor 13 of the vibrating mechanism is started to drive the annular ring 17 to vibrate, the vibration of the annular ring 17 is transmitted to the homogeneous vibrating block 15 through the conducting rod 18, the homogeneous vibrating block 15 drives the connecting elastic belt 16 to vibrate, and the raw materials of the insulating layer 2 are uniformly vibrated and then extruded out of the surface of the tinned copper conductor 1.
The homogeneous vibration block 15 in the second step is arranged in the inner cavity of the die sleeve 12 and is not contacted with the inner surface of the die sleeve 12.
The connecting elastic band 16 forms a seal between the homogeneous vibration mass 15 and the die case 12.
The surface of the conductive rod 18 is not in contact with the internal cavity of the die case 12.
The insulating layer 2 and the sheath layer 3 are both made of halogen-free low-smoke flame-retardant polyolefin materials.
The extrusion equipment comprises a mold core 11, a mold sleeve 12 and a vibration motor 13, wherein the mold sleeve 12 is sleeved on the surface of the mold core 11, an empty groove 14 is arranged in the inner cavity of the mold sleeve 12, and the inner cavity of the empty slot 14 is movably connected with a homogeneous vibration block 15, the surface of the homogeneous vibration block 15 is fixedly connected with a connection elastic band 16, one side of the connection elastic band 16 is fixedly connected with the inner cavity of the die sleeve 12, the surface of the die sleeve 12 is sleeved with an annular ring 17, the output shaft end of the vibration motor 13 is fixedly connected with the surface of the annular ring 17, one side of the annular ring 17 is fixedly connected with a conduction rod 18, one end of the conduction rod 18 penetrates through and extends to the inner cavity of the die core 11, the inner cavity of the die core 11 is not contacted with the surface of the conduction rod 18, one end of the conduction rod 18 is fixedly connected with the surface of the homogeneous vibration block 15, a plurality of conduction rods 18 are arranged, and the inner cavities of the annular rings 17 are uniformly distributed, and extrusion grooves are partitioned between the die core 11 and the die sleeve 12.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides an environment-friendly cable for solar photovoltaic system which characterized in that: the cable comprises a tin-plated copper conductor (1), an insulating layer (2) and a sheath layer (3), wherein the insulating layer (2) is coated on the surface of the tin-plated copper conductor (1), and the sheath layer (3) is coated on the surface of the insulating layer (2);
the extrusion method of the cable comprises the following steps:
firstly, a tin-plated copper conductor (1) penetrates through a mold core (11), and raw materials of an insulating layer (2) are added into an extrusion groove between a mold sleeve (12) and the mold core (11) after being melted;
extruding the insulating layer (2) on the surface of the tin-plated copper conductor (1), and homogenizing during extrusion;
and step three, repeating the step two, and extruding the sheath layer (3) on the surface of the insulating layer (2).
2. The environment-friendly cable for the solar photovoltaic system of claim 1, wherein: the homogenization treatment in the second step comprises the following specific steps: starting a vibration motor (13), driving an annular ring (17) to vibrate, transmitting the vibration of the annular ring (17) to a homogeneous vibration block (15) through a conduction rod (18), driving the homogeneous vibration block (15) to be connected with an elastic band (16) to vibrate, vibrating and vibrating raw materials of an insulating layer (2) uniformly and then extruding the raw materials on the surface of a tinned copper conductor (1).
3. The environment-friendly cable for the solar photovoltaic system of claim 1, wherein: and the homogeneous vibration block (15) in the second step is arranged in the inner cavity of the die sleeve (12) and is not contacted with the inner surface of the die sleeve (12).
4. The environment-friendly cable for the solar photovoltaic system of claim 1, wherein: the connecting elastic band (16) forms a sealing structure between the homogeneous vibration block (15) and the die sleeve (12).
5. The environment-friendly cable for the solar photovoltaic system of claim 1, wherein: the surface of the conductive rod (18) is not in contact with the inner cavity of the die sleeve (12).
6. The environment-friendly cable for the solar photovoltaic system of claim 1, wherein: the insulating layer (2) and the sheath layer (3) are both made of halogen-free low-smoke flame-retardant polyolefin materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039558.7A CN113764130B (en) | 2021-09-06 | 2021-09-06 | Environment-friendly cable for solar photovoltaic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039558.7A CN113764130B (en) | 2021-09-06 | 2021-09-06 | Environment-friendly cable for solar photovoltaic system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113764130A true CN113764130A (en) | 2021-12-07 |
| CN113764130B CN113764130B (en) | 2023-12-19 |
Family
ID=78793287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111039558.7A Active CN113764130B (en) | 2021-09-06 | 2021-09-06 | Environment-friendly cable for solar photovoltaic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113764130B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB844199A (en) * | 1957-03-07 | 1960-08-10 | Standard Telephones Cables Ltd | Extrusion apparatus |
| GB1440933A (en) * | 1972-11-21 | 1976-06-30 | Bicc Ltd | Electromagnetic waveguides |
| JPH0647735A (en) * | 1992-07-30 | 1994-02-22 | Hitachi Cable Ltd | Guide cylinder of pellet cooling apparatus |
| CN102254597A (en) * | 2011-04-25 | 2011-11-23 | 江苏天地龙电缆有限公司 | Photovoltaic cable and manufacture method thereof |
| CN103419349A (en) * | 2013-07-30 | 2013-12-04 | 四川大学 | Polymer melt shear vibration extrusion molding device |
| CN105235175A (en) * | 2015-11-18 | 2016-01-13 | 李水清 | Efficient screw extruder |
| CN106409438A (en) * | 2016-08-30 | 2017-02-15 | 安正（天津）新材料股份有限公司 | Low smoke zero halogen (LSZH) flame retardant cable production device |
| CN208263384U (en) * | 2018-05-29 | 2018-12-21 | 德阳旌特线缆有限公司 | A kind of extrusion system |
| CN110189864A (en) * | 2019-05-22 | 2019-08-30 | 中国科学院电工研究所 | A kind of vibration feeding device |
| CN209747153U (en) * | 2019-05-09 | 2019-12-06 | 安徽凌宇电缆科技有限公司 | Double-layer thin-wall multi-core cable and cable core extrusion die thereof |
| CN209747209U (en) * | 2019-05-09 | 2019-12-06 | 安徽凌宇电缆科技有限公司 | single-layer insulation single-core fire-resistant cable and special production mold thereof |
| CN212096858U (en) * | 2020-04-16 | 2020-12-08 | 衢州市市政建设开发有限公司 | Cement pipe vibration forming device |
| CN113083921A (en) * | 2021-04-13 | 2021-07-09 | 东北大学 | Continuous ECAP plastic forming processing equipment of non ferrous metal with vibrating mechanism |
-
2021
- 2021-09-06 CN CN202111039558.7A patent/CN113764130B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB844199A (en) * | 1957-03-07 | 1960-08-10 | Standard Telephones Cables Ltd | Extrusion apparatus |
| GB1440933A (en) * | 1972-11-21 | 1976-06-30 | Bicc Ltd | Electromagnetic waveguides |
| JPH0647735A (en) * | 1992-07-30 | 1994-02-22 | Hitachi Cable Ltd | Guide cylinder of pellet cooling apparatus |
| CN102254597A (en) * | 2011-04-25 | 2011-11-23 | 江苏天地龙电缆有限公司 | Photovoltaic cable and manufacture method thereof |
| CN103419349A (en) * | 2013-07-30 | 2013-12-04 | 四川大学 | Polymer melt shear vibration extrusion molding device |
| CN105235175A (en) * | 2015-11-18 | 2016-01-13 | 李水清 | Efficient screw extruder |
| CN106409438A (en) * | 2016-08-30 | 2017-02-15 | 安正（天津）新材料股份有限公司 | Low smoke zero halogen (LSZH) flame retardant cable production device |
| CN208263384U (en) * | 2018-05-29 | 2018-12-21 | 德阳旌特线缆有限公司 | A kind of extrusion system |
| CN209747153U (en) * | 2019-05-09 | 2019-12-06 | 安徽凌宇电缆科技有限公司 | Double-layer thin-wall multi-core cable and cable core extrusion die thereof |
| CN209747209U (en) * | 2019-05-09 | 2019-12-06 | 安徽凌宇电缆科技有限公司 | single-layer insulation single-core fire-resistant cable and special production mold thereof |
| CN110189864A (en) * | 2019-05-22 | 2019-08-30 | 中国科学院电工研究所 | A kind of vibration feeding device |
| CN212096858U (en) * | 2020-04-16 | 2020-12-08 | 衢州市市政建设开发有限公司 | Cement pipe vibration forming device |
| CN113083921A (en) * | 2021-04-13 | 2021-07-09 | 东北大学 | Continuous ECAP plastic forming processing equipment of non ferrous metal with vibrating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113764130B (en) | 2023-12-19 |
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